rotate method
Implementation
void rotate(Vector3 axis, double angle) {
forceUpdate = true;
Quaternion rotationQuaternion = Quaternion.axisAngle(axis, angle);
rot = rotationQuaternion * rot;
}
void rotate(Vector3 axis, double angle) {
forceUpdate = true;
Quaternion rotationQuaternion = Quaternion.axisAngle(axis, angle);
rot = rotationQuaternion * rot;
}